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2020 Fiscal Year Final Research Report

Molecular mechanism of important traits in Brassicaceae floricultural plant

Research Project

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Project/Area Number 17H03765
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Horticultural science
Research InstitutionShizuoka University

Principal Investigator

Nakatsuka Takashi  静岡大学, 農学部, 准教授 (60435576)

Project Period (FY) 2017-04-01 – 2021-03-31
Keywordsストック / アントシアニン / RNA-seq / 遺伝子変異 / ゲノム解析 / ウイルスベクター / 形質転換
Outline of Final Research Achievements

Garden stock (Matthiola incana) is one of the most popular floricultural plants in winter season. We performed RNA-seq analysis using the petals of Vintage Lavender, and were successful to identify the anthocyanin biosynthetic structural and regulator genes . In addition, we revealed that the levels of bHLH2 transcripts were correlated well with those of anthocyanin accumulation, and that the deficiencies of either ans or bhlh1 were responsible for white flower coloration. TuMV vector is good tool to analysis gene function in stock. Moreover, we were also successful to produce stable transgenic stock plants.

Free Research Field

花卉園芸

Academic Significance and Societal Importance of the Research Achievements

ストックは冬季に栽培しやすい品目であり、その品種開発については日本がトップレベルである。これまでストックの品種開発は交雑育種によって行われてきた。主要な作物や野菜では遺伝子やゲノム情報が育種に活用されている。新たな形質を持ったストック品種の作出のためには遺伝子やゲノム情報の整備が必要不可欠であった。本研究成果によりストック遺伝子情報や機能解析ツールが整備され、今後ストック育種が促進されることが期待できる。

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Published: 2022-01-27  

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